Added timescale support for lua ui elements during demo playback.

src/client/component/demo_timescale.cpp

@@ -13,9 +13,12 @@ namespace demo_timescale
 	namespace
 	{
 		utils::hook::detour Com_TimeScaleMsec_hook;
+		utils::hook::detour LUI_Layout_hook;
 
 		game::dvar_t* demo_timescale;
 
+		std::int32_t latest_delta_time;
+
 		void generate_pattern(std::array<std::uint8_t, 1000>& pattern, std::size_t ones_count, std::size_t zeros_count)
 		{
 			assert(ones_count + zeros_count == pattern.size());
@@ -53,7 +56,7 @@ namespace demo_timescale
 			generate_pattern(pattern, ones_count, zeros_count);
 		}
 
-		std::int32_t Com_TimeScaleMsec_stub(std::int32_t msec)
+		std::int32_t get_delta_time_internal(std::int32_t msec)
 		{
 			if (!demo_playback::playing() || !demo_timescale || demo_timescale->current.value == 1.0f)
 			{
@@ -116,6 +119,23 @@ namespace demo_timescale
 			// advance (1ms) or pause (0ms) based on the pattern
 			return pattern[pattern_index++ % pattern.size()];
 		}
+
+		std::int32_t get_delta_time(std::int32_t msec)
+		{
+			latest_delta_time = get_delta_time_internal(msec);
+
+			return latest_delta_time;
+		}
+
+		void set_delta_time_ui_elements(const std::int32_t client_num, const char* root_name, std::int32_t delta_time, void* lua_vm)
+		{
+			if (demo_playback::playing())
+			{
+				delta_time = latest_delta_time;
+			}
+
+			LUI_Layout_hook.invoke<void>(client_num, root_name, delta_time, lua_vm);
+		}
 	}
 
 	class component final : public component_interface
@@ -129,7 +149,11 @@ namespace demo_timescale
 			}
 
 			// add timescale support for demo playback
-			Com_TimeScaleMsec_hook.create(game::Com_TimeScaleMsec, Com_TimeScaleMsec_stub);
+			Com_TimeScaleMsec_hook.create(game::Com_TimeScaleMsec, get_delta_time);
+
+			// add timescale support for lua ui elements during demo playback
+			LUI_Layout_hook.create(game::LUI_Layout, set_delta_time_ui_elements);
+
 			demo_timescale = game::Dvar_RegisterFloat(
 				"demotimescale", 1.0f, 0.0f, 1000.0f, game::DVAR_FLAG_NONE, "Set playback speed for demos");
 		}

src/client/game/symbols.hpp

@@ -158,6 +158,7 @@ namespace game
 
 	WEAK symbol<bool(int localClientNum, void* luaVM)> LUI_IntermissionBegan{0, 0x1401CEB40};
 	WEAK symbol<void(int localClientNum, const char* menuName, int isPopup, int isModal, unsigned int isExclusive)> LUI_OpenMenu{0x1403FD460, 0x1404B3610};
+	WEAK symbol<void(int localClientNum, const char* rootName, int deltaTime, void* luaVM)> LUI_Layout{ 0, 0x1401CF060 };
 	// Made up name, replaced by ScopedCriticalSection on Black Ops 3
 	WEAK symbol<void()> LUI_EnterCriticalSection{0x1401AE940, 0x1401CD040};
 	WEAK symbol<void()> LUI_LeaveCriticalSection{0x1401B0AA0, 0x1401CF1A0};